Home / 377,923.58-521,534.51-208,157.70

Finding the Fourth Proportional to 377,923.58, 521,534.51 and 208,157.70

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Solution

The fourth proportional to 377,923.58, 521,534.51 and 208,157.70 is: 287,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,923.58 : 521,534.51 = 208,157.70 : x
  2. Step 2: Convert to fraction form
    377,923.58/521,534.51 = 208,157.70/x
  3. Step 3: Cross multiply
    377,923.58x = 521,534.51 × 208,157.70
  4. Step 4: Simplify right side
    377,923.58x = 108,561,423,031.44
  5. Step 5: Solve for x
    x = 108,561,423,031.44/377,923.58
  6. Step 6: Final answer
    x = 287,257.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.